RFID technology is used to assist manufacturers and users in tracking packaged food throughout the supply chain. RFID stands for—

Correct option is B

• RFID stands for Radio-Frequency Identification, a technology that uses electromagnetic fields to automatically identify and track tags attached to objects.
• In the food industry, RFID helps monitor movement of packaged food through processing, storage, transportation, and retail stages.
• The system improves traceability, inventory management, and food safety compliance.
• Option (a) and (c) are incorrect because the terms “factor” and “ratio” have no relevance to RFID technology.
• Option (d) is incorrect because RFID does not use radar; it uses low-power radio waves for communication between reader and tag.